Radeon 660M and GeForce RTX 4080 - video card comparison
Passmark - benchmark score Radeon 660M vs GeForce RTX 4080
Radeon 660M
6474
GeForce RTX 4080
35646
Radeon 660M
GeForce RTX 4080
Architecture
RDNA 2 (2020−2022)
Ada Lovelace
GPU code name
RDNA 2 Rembrandt
AD103-300-A1
Market segment
Laptop
Desktop
Release date
January 2022
September 2022
Interface
PCIe 4.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
1900 MHz
2505 MHz
Core clock speed
-
2205 MHz
Manufacturing process technology
6 nm
5 nm
Number of transistors
13,100 million
45,900 million
Pipelines / CUDA cores
384
9728
Power consumption (TDP)
45 Watt
320 Watt
Texture fill rate
45.60
761.5
Memory type
System Shared
GDDR6X
Maximum RAM amount
System Shared
16 GB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
22400 MHz
Memory bandwidth
-
716.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2
1.3